Detailed Evaluation & Buyer Recommendation
Jupiter 31 Forward Seating 2008 vs Jupiter 31 Open 2008 — A Close Look at Two Modified Vees
When two boats share the same hull type — in this case both the Jupiter 31 Forward Seating 2008 and the Jupiter 31 Open 2008 are modified vee designs with fiberglass construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?
On paper these two are close siblings in the size department — Jupiter 31 Forward Seating 2008 at 33,0 ft versus Jupiter 31 Open 2008 at 33,0 ft. At 749 lbs and 749 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
Both boats share a closely matched power ceiling — 600 hp for the Jupiter 31 Forward Seating 2008 and 600 hp for the Jupiter 31 Open 2008. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Both carry nearly identical fuel loads — 26 gal and 26 gal — so range won't be a tiebreaker here.
Both boats are rated for 10 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Bottom line: The Jupiter 31 Forward Seating 2008 and Jupiter 31 Open 2008 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
Model31 Forward Seating
Model31 Open
Model Year2008
Model Year2008
Measurements / Dimensions
Beam9 ft. 6 in
Beam9 ft. 6 in
Beam - Meters2.9
Beam - Meters2.9
Beam - Inches114
Beam - Inches114
Bridge clearance - Detail8 ft. 10 in
Bridge clearance - Detail8 ft. 10 in
Bridge clearance - Meters2.69
Bridge clearance - Meters2.69
Bridge clearance - Inches106
Bridge clearance - Inches106
DeadriseAft: 24℃
DeadriseAft: 24℃
Draft [drive up] - Detail20 in
Draft [drive up] - Detail22 in
Draft [drive up] meters0.51
Draft [drive up] meters0.56
Draft [drive up] inches2
Draft [drive up] inches22
Weight - DetailOperating: 7,490 lbs
Weight - DetailOperating: 7,490 lbs
Weight - kg3397.4
Weight - kg3397.4
Weight - lbs.749
Weight - lbs.749
Length - Feet33
Length - Feet33
Length - Inches2
Length - Inches2
Length overall - Detail33 ft. 2 in
Length overall - Detail33 ft. 2 in
Length overall - Meters10.11
Length overall - Meters10.11
Length overall - Inches398
Length overall - Inches398
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeModified Vee
Hull typeModified Vee
Engine and Drivetrain
Engine/s standardTwin Yamaha F25
Engine/s standardTwin Yamaha F25
Fuel tank capacity - Detail260 gal
Fuel tank capacity - Detail260 gal
Fuel tank capacity - Liters984.21
Fuel tank capacity - Liters984.21
Fuel tank capacity - Gal26
Fuel tank capacity - Gal26
Drive typeOutboard - Twin
Drive typeOutboard - Twin
Engine max600 hp
Engine max600 hp
Operational Info
Water capacity60 gal
Water capacity60 gal